NOAA's National Centers for Environmental Information
Statewide Rankings
Illinois
March 1987 Average Temperature Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
|---|---|---|---|---|---|---|
| March 1987 1-Month | 44.4°F (6.9°C) | 39.8°F (4.3°C) | 4.6°F | 109th Coolest | Coolest since: | 1960 |
| 22nd Warmest | Warmest since: | 2012 | ||||
| Feb– 2-Month | 40.0°F (4.4°C) | 34.5°F (1.4°C) | 5.5°F | 118th Coolest | Coolest since: | 1978 |
| 13th Warmest | Warmest since: | 2012 | ||||
| Jan– 3-Month | 35.5°F (1.9°C) | 31.4°F (-0.3°C) | 4.1°F | 115th Coolest | Coolest since: | 1912 |
| 16th Warmest | Warmest since: | 2012 | ||||
| Dec 1986– 4-Month | 34.6°F (1.4°C) | 31.0°F (-0.6°C) | 3.6°F | 115th Coolest | Coolest since: | 1978 |
| 15th Warmest | Warmest since: | 2012 | ||||
| Ties: 1953, 1976 | ||||||
| Nov 1986– 5-Month | 35.2°F (1.8°C) | 32.9°F (0.5°C) | 2.3°F | 103rd Coolest | Coolest since: | 1912 |
| 27th Warmest | Warmest since: | 2012 | ||||
| Ties: 1939, 1946 | ||||||
| Oct 1986– 6-Month | 38.6°F (3.7°C) | 36.6°F (2.6°C) | 2.0°F | 105th Coolest | Coolest since: | 1912, 1978 |
| 25th Warmest | Warmest since: | 2012 | ||||
| Sep 1986– 7-Month | 42.9°F (6.1°C) | 40.8°F (4.9°C) | 2.1°F | 107th Coolest | Coolest since: | 1977, 1978 |
| 23rd Warmest | Warmest since: | 2017 | ||||
| Aug 1986– 8-Month | 46.3°F (7.9°C) | 44.9°F (7.2°C) | 1.4°F | 98th Coolest | Coolest since: | 1977 |
| 32nd Warmest | Warmest since: | 2017 | ||||
| Jul 1986– 9-Month | 49.8°F (9.9°C) | 48.3°F (9.1°C) | 1.5°F | 107th Coolest | Coolest since: | 1977 |
| 23rd Warmest | Warmest since: | 2012 | ||||
| Ties: 1974 | ||||||
| Jun 1986– 10-Month | 52.1°F (11.2°C) | 50.6°F (10.3°C) | 1.5°F | 107th Coolest | Coolest since: | 1904 |
| 23rd Warmest | Warmest since: | 2012 | ||||
| May 1986– 11-Month | 53.2°F (11.8°C) | 51.7°F (10.9°C) | 1.5°F | 107th Coolest | Coolest since: | 1918 |
| 23rd Warmest | Warmest since: | 2012 | ||||
| Apr 1986– 12-Month | 53.4°F (11.9°C) | 51.6°F (10.9°C) | 1.8°F | 114th Coolest | Coolest since: | 1918 |
| 16th Warmest | Warmest since: | 2012 | ||||
| Oct 1985– 18-Month | 47.7°F (8.7°C) | 46.6°F (8.1°C) | 1.1°F | 101st Coolest | Coolest since: | 1905 |
| 28th Warmest | Warmest since: | 2017 | ||||
| Apr 1985– 24-Month | 52.5°F (11.4°C) | 51.6°F (10.9°C) | 0.9°F | 94th Coolest | Coolest since: | 1905 |
| 35th Warmest | Warmest since: | 2017 | ||||
| Ties: 1938, 1957 | ||||||
| Apr 1984– 36-Month | 52.2°F (11.2°C) | 51.6°F (10.9°C) | 0.6°F | 84th Coolest | Coolest since: | 1979 |
| 44th Warmest | Warmest since: | 2018 | ||||
| Ties: 1921, 1942, 1950, 1974, 1976 | ||||||
| Apr 1983– 48-Month | 51.9°F (11.1°C) | 51.6°F (10.9°C) | 0.3°F | 70th Coolest | Coolest since: | 1980 |
| 57th Warmest | Warmest since: | 2019 | ||||
| Apr 1982– 60-Month | 52.0°F (11.1°C) | 51.6°F (10.9°C) | 0.4°F | 73rd Coolest | Coolest since: | 1906 |
| 53rd Warmest | Warmest since: | 2020 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2025, retrieved on March 28, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings
